Conversions to QString for user-defined Qt types

MetaDataRegistry.cpp

@@ -54,6 +54,7 @@ void register_types ()
 
   // Frequency list model
   qRegisterMetaTypeStreamOperators<FrequencyList_v2::Item> ("Item_v2");
+  QMetaType::registerConverter<FrequencyList_v2::Item, QString> (&FrequencyList_v2::Item::toString);
   qRegisterMetaTypeStreamOperators<FrequencyList_v2::FrequencyItems> ("FrequencyItems_v2");
 
   // defunct old versions
@@ -69,6 +70,7 @@ void register_types ()
 
   // Station details
   qRegisterMetaType<StationList::Station> ("Station");
+  QMetaType::registerConverter<StationList::Station, QString> (&StationList::Station::toString);
   qRegisterMetaType<StationList::Stations> ("Stations");
   qRegisterMetaTypeStreamOperators<StationList::Station> ("Station");
   qRegisterMetaTypeStreamOperators<StationList::Stations> ("Stations");
@@ -92,5 +94,6 @@ void register_types ()
 
   // DecodeHighlightingModel
   qRegisterMetaTypeStreamOperators<DecodeHighlightingModel::HighlightInfo> ("HighlightInfo");
+  QMetaType::registerConverter<DecodeHighlightingModel::HighlightInfo, QString> (&DecodeHighlightingModel::HighlightInfo::toString);
   qRegisterMetaTypeStreamOperators<DecodeHighlightingModel::HighlightItems> ("HighlightItems");
 }

models/DecodeHighlightingModel.cpp

@@ -5,9 +5,10 @@
 #include <QList>
 #include <QBrush>
 #include <QColor>
- #include <QFont>
+#include <QFont>
 #include <QMap>
 #include <QVector>
+#include <QTextStream>
 #include <QDataStream>
 #include <QMetaType>
 #include <QDebug>
@@ -72,16 +73,23 @@ QDataStream& operator >> (QDataStream& is, DecodeHighlightingModel::HighlightInf
            >> item.background_;
 }
 
+QString DecodeHighlightingModel::HighlightInfo::toString () const
+{
+  QString string;
+  QTextStream ots {&string};
+  ots << "HighlightInfo("
+      << highlight_name (type_) << ", "
+      << enabled_ << ", "
+      << foreground_.color ().name () << ", "
+      << background_.color ().name () << ')';
+  return string;
+}
+
 #if !defined (QT_NO_DEBUG_STREAM)
 QDebug operator << (QDebug debug, DecodeHighlightingModel::HighlightInfo const& item)
 {
   QDebugStateSaver save {debug};
-  debug.nospace () << "HighlightInfo("
-                   << item.type_ << ", "
-                   << item.enabled_ << ", "
-                   << item.foreground_ << ", "
-                   << item.background_ << ')';
-  return debug;
+  return debug.nospace () << item.toString ();
 }
 #endif
 

models/DecodeHighlightingModel.hpp

@@ -30,6 +30,7 @@ public:
     bool enabled_;
     QBrush foreground_;
     QBrush background_;
+    QString toString () const;
   };
   using HighlightItems = QList<HighlightInfo>;
 

models/FrequencyList.cpp

@@ -13,6 +13,7 @@
 #include <QVector>
 #include <QStringList>
 #include <QMimeData>
+#include <QTextSTream>
 #include <QDataStream>
 #include <QByteArray>
 #include <QDebugStateSaver>
@@ -347,14 +348,21 @@ namespace
 QDebug operator << (QDebug debug, FrequencyList_v2::Item const& item)
 {
   QDebugStateSaver saver {debug};
-  debug.nospace () << "FrequencyItem("
-                   << item.frequency_ << ", "
-                   << item.region_ << ", "
-                   << item.mode_ << ')';
-  return debug;
+  return debug.nospace () << item.toString ();
 }
 #endif
 
+QString FrequencyList_v2::Item::toString () const
+{
+  QString string;
+  QTextStream qts {&string};
+  qts << "FrequencyItem("
+      << Radio::frequency_MHz_string (frequency_) << ", "
+      << IARURegions::name (region_) << ", "
+      << Modes::name (mode_) << ')';
+  return string;
+}
+
 QDataStream& operator << (QDataStream& os, FrequencyList_v2::Item const& item)
 {
   return os << item.frequency_

models/FrequencyList.hpp

@@ -52,6 +52,7 @@ public:
     Frequency frequency_;
     Mode mode_;
     Region region_;
+    QString toString () const;
   };
   using FrequencyItems = QList<Item>;
   using BandSet = QSet<QString>;

models/StationList.cpp

@@ -13,6 +13,7 @@
 #include <QMimeData>
 #include <QDataStream>
 #include <QByteArray>
+#include <QTextStream>
 #include <QDebug>
 #include <QDebugStateSaver>
 
@@ -26,14 +27,21 @@
 QDebug operator << (QDebug debug, StationList::Station const& station)
 {
   QDebugStateSaver saver {debug};
-  debug.nospace () << "Station("
-                   << station.band_name_ << ", "
-                   << station.offset_ << ", "
-                   << station.antenna_description_ << ')';
-  return debug;
+  return debug.nospace () << station.toString ();
 }
 #endif
 
+QString StationList::Station::toString () const
+{
+  QString string;
+  QTextStream ots {&string};
+  ots << "Station("
+      << band_name_ << ", "
+      << Radio::frequency_MHz_string (offset_) << ", "
+      << antenna_description_ << ')';
+  return string;
+}
+
 QDataStream& operator << (QDataStream& os, StationList::Station const& station)
 {
   return os << station.band_name_

models/StationList.hpp

@@ -56,6 +56,7 @@ public:
     QString band_name_;
     FrequencyDelta offset_;
     QString antenna_description_;
+    QString toString () const;
   };
 
   using Stations = QList<Station>;